Exercise apparatus



FIG. 1 is a front elevation view of an exercise apparatus according to the invention;

FIG. 2 is a back elevation view of the exercise apparatus depicted in FIG. 1;

FIG. 3 is a bottom plan view of the exercise apparatus depicted in FIG. 1;

FIG. 4 is a top plan view of the exercise apparatus depicted in FIG. 1;

FIG. 5 is a first side elevation view of the exercise apparatus depicted in FIG. 1;

FIG. 6 is an opposing side elevation view of the exercise apparatus depicted in FIG. 1;

FIG. 7 is a first side perspective view of the exercise apparatus depicted in FIG. 1;

FIG. 8 is an opposing side perspective view of the exercise apparatus depicted in FIG. 1; and,

FIG. 9 is a back perspective view of the exercise apparatus depicted in FIG. 1. 

I claim the ornamental design for an exercise apparatus, as shown and described. 